brown: president obama today named white house chief of staff jack lew as his next secretary of the treasury. good evening, i'm jeffrey brown. >> woodruff: and i'm judy woodruff. on the "newshour" tonight, we have more on the man and the economic agenda he has been tapped to spearhead for the next four years. >> brown: then, ray suarez gets an update on a series of bombings that killed more than 100 people in two pakistani cities today. >> woodruff: margaret warner looks into new federal guidelines for mortgage lending aimed at protecting both consumers and lenders. >> brown: we look at the tense political situation in venezuela, after the national assembly delayed the inauguration of cancer-stricken president hugo chavez. >> this is essentially a power play. behind that secrecy there is nothing but an attempt to ensure the continuity of the regime regardless of president chavez's presence. >> woodruff: and with five oscar nominations, we examine the controversy surrounding one of the most talked about new films yet to see a nationwide release; "zero dark thirty," about the hunt for osama bi